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Enhance error handling and logging in M3U and XML downloading processes; implement proper application shutdown in MainViewModel; introduce PlaylistSettings for configurable URLs and timeout settings.

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This commit is contained in:
Vladimir
2026-03-22 09:14:39 +02:00
parent 59d0ed1ab5
commit a6ec011e79
9 changed files with 270 additions and 181 deletions
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TV Player/ViewModels/M3UParser.cs
+76 -27
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@@ -28,17 +28,32 @@ namespace TV_Player.MAUI
public static async Task<List<ProgramGuide>> DownloadGuideFromWebAsync(string url)
{
List<ProgramGuide> epgChannels = new List<ProgramGuide>(); ;
using (var client = new HttpClient())
using (var request = new HttpRequestMessage())
List<ProgramGuide> epgChannels = new List<ProgramGuide>();
try
{
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/text"));
request.Method = HttpMethod.Get;
request.RequestUri = new Uri(url);
var response = await client.GetAsync(url);
response.EnsureSuccessStatusCode();
string responseBody = await response.Content.ReadAsStringAsync();
epgChannels = ParseEpg(responseBody);
using (var client = new HttpClient())
using (var request = new HttpRequestMessage())
{
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/text"));
request.Method = HttpMethod.Get;
request.RequestUri = new Uri(url);
var response = await client.GetAsync(url);
response.EnsureSuccessStatusCode();
string responseBody = await response.Content.ReadAsStringAsync();
epgChannels = ParseEpg(responseBody);
}
}
catch (HttpRequestException ex)
{
System.Diagnostics.Debug.WriteLine($"Network error downloading EPG from {url}: {ex.Message}");
}
catch (UriFormatException ex)
{
System.Diagnostics.Debug.WriteLine($"Invalid EPG URL: {url} - {ex.Message}");
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Unexpected error downloading EPG: {ex.Message}");
}
return epgChannels;
}
@@ -73,13 +88,19 @@ namespace TV_Player.MAUI
var id = reader.GetAttribute("channel");
var channel = epgChannels.FirstOrDefault(x => x.Id == id);
program.StartTime = DateTime.ParseExact(reader.GetAttribute("start"), "yyyyMMddHHmmss zzz", null);
program.EndTime = DateTime.ParseExact(reader.GetAttribute("stop"), "yyyyMMddHHmmss zzz", null);
if (channel == null) continue;
if (!DateTime.TryParseExact(reader.GetAttribute("start"), "yyyyMMddHHmmss zzz", System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None, out var startTime))
continue;
if (!DateTime.TryParseExact(reader.GetAttribute("stop"), "yyyyMMddHHmmss zzz", System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None, out var endTime))
continue;
program.StartTime = startTime;
program.EndTime = endTime;
reader.Read();
program.Title = reader.ReadElementContentAsString();
channel.Programs.Add(program);
}
else if (reader.NodeType == XmlNodeType.EndElement && reader.Name == "channel")
@@ -88,25 +109,43 @@ namespace TV_Player.MAUI
}
}
}
catch{}
catch (XmlException ex)
{
System.Diagnostics.Debug.WriteLine($"XML parsing error: {ex.Message}");
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Unexpected error parsing EPG: {ex.Message}");
}
}
return epgChannels;
}
private static async Task<string> ReadFile(string url)
{
string responseBody;
using (var client = new HttpClient())
using (var request = new HttpRequestMessage())
try
{
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/text"));
request.Method = HttpMethod.Get;
request.RequestUri = new Uri(url);
var response = await client.GetAsync(url);
response.EnsureSuccessStatusCode();
responseBody = await response.Content.ReadAsStringAsync();
using (var client = new HttpClient())
using (var request = new HttpRequestMessage())
{
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/text"));
request.Method = HttpMethod.Get;
request.RequestUri = new Uri(url);
var response = await client.GetAsync(url);
response.EnsureSuccessStatusCode();
return await response.Content.ReadAsStringAsync();
}
}
catch (HttpRequestException ex)
{
System.Diagnostics.Debug.WriteLine($"Network error downloading from {url}: {ex.Message}");
throw;
}
catch (UriFormatException ex)
{
System.Diagnostics.Debug.WriteLine($"Invalid URL: {url} - {ex.Message}");
throw;
}
return responseBody;
}
public static async Task<(List<M3UInfo> programList, string programGuide)> DownloadM3UFromWebAsync(string url)
@@ -139,6 +178,12 @@ namespace TV_Player.MAUI
string programGuideLink = string.Empty;
try
{
if (string.IsNullOrWhiteSpace(content))
{
System.Diagnostics.Debug.WriteLine("M3U content is empty");
return (playlistItems, programGuideLink);
}
var m3u = SplitStringBeforeSeparator(content, "#EXT");
foreach (var line in m3u)
@@ -152,16 +197,20 @@ namespace TV_Player.MAUI
}
if (line.StartsWith("#EXTM3U"))
{
programGuideLink=ExtractXtvgUrl(line);
programGuideLink = ExtractXtvgUrl(line);
}
}
}
catch (ArgumentException ex)
{
System.Diagnostics.Debug.WriteLine($"Invalid M3U format: {ex.Message}");
}
catch (Exception ex)
{
Console.WriteLine("Error reading M3U file: " + ex.Message);
System.Diagnostics.Debug.WriteLine($"Error parsing M3U file: {ex.Message}");
}
return (playlistItems,programGuideLink);
return (playlistItems, programGuideLink);
}
private static bool TryParseM3ULine(string m3uLine, out M3UInfo? info)